Showing 361 - 380 results of 471 for search '"maximum likelihood"', query time: 0.05s Refine Results
  1. 361

    Efficient AM Algorithms for Stochastic ML Estimation of DOA by Haihua Chen, Shibao Li, Jianhang Liu, Yiqing Zhou, Masakiyo Suzuki

    Published 2016-01-01
    “…To solve this problem, many algorithms have been proposed, among which the Stochastic Maximum Likelihood (SML) is one of the most concerned algorithms because of its high accuracy of DOA. …”
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    Article
  2. 362

    Monitoring Sea Ice in Liaodong Bay of Bohai Sea during the Freezing Period of 2017/2018 Using Sentinel-2 Remote Sensing Data by Zhiyong Wang, Peilei Sun, Lihua Wang, Mengyue Zhang, Zihao Wang

    Published 2021-01-01
    “…Compared with the maximum likelihood (ML) classification method and the support vector machine (SVM) classification method, the proposed method has higher accuracy when discriminating the sea ice types, which proved the new method proposed in this paper is suitable for extracting sea ice types from Sentinel-2 optical remote sensing data in Liaodong Bay. …”
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  3. 363

    Modeling to medical and economic data using: The transmuted power unit inverse Lindley distribution by Eman A. Eldessouky, Osama H. Mahmoud Hassan, Badr Aloraini, Ibrahim Elbatal

    Published 2025-02-01
    “…The parameters of the TPUILD were estimated through the maximum likelihood method of estimation, accompanied by a simulation study to evaluate the performance of these parameters. …”
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  4. 364

    TerraSAR-X SAR data for classification of ice-free areas and glacier facies on Fildes Peninsula, King George Island, Antarctica by ANDRÉ M. DE ANDRADE, ROBERTO F.M. MICHEL, KÁTIA K. DA ROSA, ULISSES F. BREMER, CARLOS ERNESTO G.R. SCHAEFER, JEFFERSON C. SIMÕES

    Published 2025-01-01
    “…The classification considered three classes on the glacier (higher moisture, transition in moisture, and lower moisture) and three on the ice-free areas (wet snow, transition wet snow-bare ice, and bare ice), using Maximum Likelihood and ISODATA methods. In low-altitude glaciers with maritime influence, such as Collins, monitoring variations in surface zones is essential because the continuous increase in exposed ice may indicate potential retreat. …”
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  5. 365

    Pattems and models of flowering of some Gampanulaceae Juss. species by E. S. Fomin, T. I. Fomina

    Published 2018-11-01
    “…Observation data were processed by standard statistical methods and used to construct stochastic computer models of flowering shoots, while omissions in data were restored by using the maximum likelihood method. Flowering patterns of the species, due to differences in phenological and structural features, have been revealed. …”
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  6. 366

    Is Vitamin D Deficiency the Cause or the Effect of Systemic Lupus Erythematosus: Evidence from Bidirectional Mendelian Randomization Analysis by Yang Ding, Shengyi Yang, Shasha Fan, Yi Tang, Yan Teng, Xiaohua Tao, Wei Lu

    Published 2022-01-01
    “…Sensitivity analyses including maximum likelihood, MR-Egger method, penalized weighted median method, MR-PRESSO, MR-RAPS, and MR-radial method were conducted. …”
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    Article
  7. 367

    Risks and Prospects for Russian Regional Export Development in the Face of the Global Energy Transition by Юлия Дмитриевна Соколова

    Published 2024-12-01
    “…Using the gravity equation with the Poisson Pseudo-Maximum Likelihood (PPML) technique, the study finds that the impact of the global energy transition on Russian regional exports is multidirectional. …”
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  8. 368
  9. 369

    The Depression, Anxiety, Stress Scales-21: Principal component analysis and evaluation of abbreviated versions in young adults with temporomandibular disorders. by Yinghao Xiong, Adrian Ujin Yap, Carolina Marpaung, May Chun Mei Wong

    Published 2025-01-01
    “…Principal component analysis (PCA) was employed to condense the DASS-21 (wave 1 data), while confirmatory factor analysis (CFA) was used to determine maximum likelihood estimates and compare different abbreviated DASS-21 versions (wave 2 data). …”
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  10. 370

    The complete mitochondrial genome and phylogenetic implications of Paradoxopsyllus custodis and Stenischia montanis yunlongensis by Bin Chen, Mingna Duan, Shuang Liu, Yafang Liu, Shaobo Tang, Dandan Jiang, Wei Gu, Quanfu Zhang, Xing Yang

    Published 2024-12-01
    “…Phylogenetic relationships among fleas were assessed using maximum likelihood (ML) and Bayesian inference (BI), providing support for the paraphyletic of Leptopsyllidae. …”
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    Article
  11. 371

    Estimating the Force of Infection with Helicobacter pylori in Japan by Taishi Kayano, Ki-Deok Lee, Hiroshi Nishiura

    Published 2019-01-01
    “…Solving the McKendrick partial differential equation model, the seroprevalence was modeled as a function of survey year and age. Maximum likelihood estimation was conducted to estimate parameters governing the time- and age-dependent force of infection. …”
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  12. 372

    Quantitative evidence for dimorphism suggests sexual selection in the maxillary caniniform process of Placerias hesternus. by James L Pinto, Charles R Marshall, Sterling J Nesbitt, Daniel Varajão de Latorre

    Published 2024-01-01
    “…We made a total of 25 measurements from the four bones and used a maximum likelihood framework to compare the fit of unimodal versus bimodal distributions for each set of measurements. …”
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  13. 373

    Geomagnetic Storm Occurrence and Their Relation With Solar Cycle Phases by Paula I. Reyes, Victor A. Pinto, Pablo S. Moya

    Published 2021-09-01
    “…Considering that geomagnetic storms can be modeled as stochastic processes with a log‐normal probability distribution over their minimum Dst index, the dataset was separated according to solar cycle (SC) and SC phases, and the distributions of events were fitted through maximum likelihood method in order to characterize the occurrence of storms in each cycle and phase, and then compare those occurrences to the SC24. …”
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  14. 374

    Quantum Speedup of the Dispersion and Codebook Design Problems by Kein Yukiyoshi, Taku Mikuriya, Hyeon Seok Rou, Giuseppe Thadeu Freitas de Abreu, Naoki Ishikawa

    Published 2024-01-01
    “…In turn, GAS is a quantum exhaustive search algorithm that can be used to implement full-fledged maximum-likelihood optimal solutions. In conventional naive formulations, however, it is typical to rely on a binary vector spaces, resulting in search space sizes prohibitive even for GAS. …”
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  15. 375

    An Alternative Statistical Model to Analysis Pearl Millet (Bajra) Yield in Province Punjab and Pakistan by Muhammad Zeshan Arshad, Muhammad Zafar Iqbal, Festus Were, Ramy Aldallal, Fathy H. Riad, M. E. Bakr, Yusra A. Tashkandy, Eslam Hussam, Ahmed M. Gemeay

    Published 2023-01-01
    “…For data collection, two secondary data sets are explored that are electronically available on the site of the Directorate of Agriculture (Economics and Marketing) Punjab, Lahore, Pakistan. Results. The maximum likelihood estimation technique is used for estimating the model parameters. …”
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  16. 376

    Comparison and Estimation of Surface Albedo of Various Levels of Land use by SEBAL and METRIC Methods by Mehdi Asadi, Khalil Valizadeh khamran, Mohammad Baaghdeh, Hamed Adab

    Published 2020-12-01
    “…To determine the type of usage of different levels, the maximum likelihood algorithm classification method was used with Kappa coefficient of 86.14% and overall accuracy of 92.63%. …”
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  17. 377

    Statistical Evaluation of Non-Linear Parameter Estimation Procedures for Adsorption Equilibrium Models by Guilherme Ozorio Cassol, Roger Gallon, Marcio Schwaab, Elisa Barbosa-Coutinho, João B. Severo Júnior, José Carlos Pinto

    Published 2014-04-01
    “…Besides, it is shown that parameter estimates should be obtained through proper minimization of weighted least-squares objective function, in accordance with maximum likelihood procedures.…”
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  18. 378

    State of Charge Estimation of Lithium-Ion Battery Considering Operating Conditions and Aging Degree by WU Jiang, ZHANG Yan, LIU Zelong, CHENG Gang, LEI Dong, JIAO Chaoyong

    Published 2024-12-01
    “…Then, by using EKF as the main body with a fixed measurement noise covariance and adaptively adjusting process noise covariance based on the maximum likelihood estimation criterion, an adaptive extended Kalman filter is built to estimate the SOC of the battery. …”
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  19. 379

    Trainers’ Attitudes towards Cardiopulmonary Resuscitation, Current Care Guidelines, and Training by M. Mäkinen, M. Castrén, J. Nurmi, L. Niemi-Murola

    Published 2016-01-01
    “…Factor loading of the questionnaire was made using maximum likelihood analysis and varimax rotation. Seven scales were constructed (Hesitation, Nurse’s Role, Nontechnical Skill, Usefulness, Restrictions, Personal, and Organisation). …”
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  20. 380

    General Log-Linear Weibull Model Combining Vibration and Temperature Characteristics for Remaining Useful Life Prediction of Rolling Element Bearings by Mingzhu Lv, Shixun Liu, Xiaoming Su, Changzheng Chen

    Published 2020-01-01
    “…The best parameters are attained by employing the maximum likelihood estimation approach. The algorithm performance is checked with criteria like the root mean square error (RMSE) and the mean absolute percentage error (MAPE). …”
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